Volcanoes are openings on a planet's surface where hot molten rock and gases erupt. The causes of volcanoes include differences in magma density and pressure from exsolved gases. Volcanic eruptions can influence climate change by releasing gases like sulfur dioxide that affect the ozone layer and contribute to global warming. They can also damage vegetation and infrastructure while destroying property and lives. However, volcanoes can form new land masses and promote tourism. It is advised to avoid active volcanoes and wear masks near eruptions.

1. Teaching
studies 3B

2. Volcanoes are
openings on a
planet through
which hot gases,
molten rock, and
other materials
erupt.
DID YOU KNOW? VULCANO
IS THE SOURCE OF THE WORD
VOLCANO

3. WHAT ARE THE CAUSES OF VOLCANOES
DIFFERENCES IN MAGMA
DENSITY
MAGMA BUOYANCY MAGMA PRESSURE CAUSED
BY EXSOLVED GASES

4. Effects of volcanoeson climate
change
 Influence ozone effects
 volcanoes release large amounts of bromine
which can affect the stratosphere's chemistry and
damage the ozone layer
 Influence greenhouse effects
 volcanic eruptions release greenhouse gases like
carbon dioxide that contribute to global
warming.
 Influence haze effects
 Aerosols of sulfuric acid are formed when sulfur
dioxide and water combine in the stratosphere.

5. Effects of volcanoes on the environment:
 Property and lives can be destroyed by it
 It can damage vegetation and increase poverty levels
 Infrastructure and landscapes can be destroyed

6. Benefits of volcanoes eruptions:
A NEW ISLAND OR LAND
MASS CAN BE FORMED BY
THEM
AS A RESULT OF VOLCANIC
ACTIVITY, FERTILE LAND IS
CREATED
PROMOTE TOURIST
ATTRACTION

7. Tips on volcanoes:
 Volcanoes that are active should be avoided
 Always wear a mask if you're near a volcano eruption

8. REFERENCES
1.Arora, R. (2014). Volcanic Eruptions.
Presentation.
2. Bautista, J. (2015). Volcano.
Presentation.
3.Fatima, M. (2015). Volcanoes.
Presentation.
4.Roorkee, I. (2014). Volcanic gases and
climatic effects. Presentation.
5.Shreemali, S. (2015). Volcanic Eruption.
Presentation.

9. THANK YOU!!